calcium carbonate

noun

a white, crystalline, water-insoluble, tasteless powder, CaCO 3 , occurring in nature in various forms, as calcite, chalk, and limestone: used chiefly in dentifrices and polishes and in the manufacture of lime and cement.

calcium carbonate

a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO 3

calcium carbonate

A white or colorless crystalline compound occurring naturally in chalk, limestone, and marble and in the minerals calcite and aragonite. It is used to make toothpaste, white paint, and cleaning powder. Chemical formula: CaCO 3 .

First recorded in 1870–75

Using vinegar to break up the calcium carbonate deposits in your coffee maker?

Vide Bodlnder, on the solubility of calcium carbonate, Z. phys.

Add a very little water to the residue and neutralize the extract with calcium carbonate.

Aragonite, a mineral formed of calcium carbonate crystallized in the rhombic system; specific gravity 2.94 (compare Calcite).

Calcium is an element which will unite with oxygen and carbon dioxide to form a compound known as calcium carbonate.

The substance is calcium carbonate (CaCO3), and contains 56 per cent.

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